Slide-adjusting mechanism for turret-lathes.



E. HENRIKSON. SLIDE ADJUSTING MECHANISM FOR TURRET LATHES'.

APPLICATION FILED OCT. 9, I916.

Patented July 17,1917.

2 SHEETS SHEET I.

E. HENRIKSON- SLIDE ADJUSTING MECHANISM FOR TURRET LATHES.

APPLICATION FILED OCT Q. I916.

Patenteii July 17, 1917. 2 SHEETS SHEET 2.

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EMANUEL HENRIKSON, OF WETHERSFIELD, CONNECTICUT, ASSIGNOR TO PRATT & WHITNEY COMPANY, OF HARTFORD, CONNECTICUT, A CORPORATION OF NEXV JERSEY.

SLIDE-ADJUSTING MECHANISM FOR TUREET-LA'IHES.

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Application filed October 9, 1916. Serial No. 124,495.

To all whom it may concern:

Be it known that I, EMANUEL HENRIK- SON, a citizen of the United States, residing at Vvethersfield, in the county of Hartford and State of Connecticut, have invented certain new and useful Improvements in Slide- Adjusting Mechanism for Turret-Lathes, of which the following is a specification.

This invention relates to slide adjusting mechanism for turret lathes, the primary object of the invention being to provide means of an effective nature of compact construc tion.

In the drawings accompanying and forming part of the present specification I have shown in detail one convenient form of embodiment of the invention, which to enable those skilled in the art to practise the same will be set forth fully in the following de scription. I do not restrict myself to this particular disclosure; I may depart there from in several respects within the scope of the invention defined by the claims following said description.

Referring to said drawings:

Figure 1 is a front elevation of a turret lathe involving the invention.

Fig. 2 is a vertical sectional view of the turret, its slide and certain accessories hereinafter more particularly described and on a larger scale.

Like characters refer to like parts in both views. y

In Fig. 1 the numeral 2 denotes the base or bed, and 3 the upright or standard rising therefrom of a vertical turret lathe. The column or upright is provided with ways for supporting a slide as 4 for vertical adjustment. On the front of the slide is a hollow stem or stud 5, constituting a suitable pivot for the turret 6 one of the elements of the slide-adjusting means'for compactness extending through the pivot of the turret. Extending through said pivot .are concentric hollow shafts or tubes as 7, 8 and 9. The tube 7 is connected at its front end as by keying with the disk and at its rear has pinned thereto a worm gear 11. This disk 10 is pinned or otherwise suitably connected with the turret. They form part of the indexing mechanism to which I have alluded and therefore form no part of the present invention. The intermediate and longer hollow shaft 8 constitutes part of the means by which the indexing mechanism can be thrown.

into action and also as may be inferred constitutes no part of the invention, which relates as noted merely to the adjusting mechanism; that is the means for changing the position of the slide 4 on its support as 3.

The shaft 9 which is longer than the two other hollow shafts 7 and 8 is provided with suitable means as the hand wheel 12 by which the same may be turned. As illustrated said hand wheel is connected as by keying with the front end of said shaft. The means shown for effecting the movement of the slide vertically involves a bevel gear as 14: shown as keyed at 15 to the rear end of said shaft 9, the hub of said bevel gear being supported for rotation in a bushing as 16 which supports the outer ends of the two inner shafts 8 and 9. Although the slide 4 supports the outermost shaft 7 it does not project into the bushing 16. This, however, is a detail. In mesh with the bevel gear 141 is a practically duplicate bevel gear 17 having an elongated upstanding hub 18 fitting freely in the socket 19 in the lower end of the bearing internally threaded sleeve 20 disposed in the overhanging extension 21 of the slide 4:. In the present case this bearing sleeve is held against rotation and the pins 22 fitting complemental seats in the sleeve and extension 21 may be provided to insure the relation. Extending through said bearing sleeve 20 is a screw rod or shaft 23. This screw rod or shaft also extends through the bevel gear 17 and has a rotative connection therewith, for instance by the key 2 1. The upper end of said screw shaft has a swivel connection with a bracket as connected with the overhanging part of the upright or column 3 as shown in Fig. 1.

It will be clear that owing to the described construction, when the hand wheel 12 is turned, the slide 4 through the intermediate parts will be raised or lowered, its particular movement depending upon the direction in which the hand wheel is turned. The elongated bearing sleeve 20 is not only nonrotative, but it is immovable. Owing to its threaded connection with the screw shaft 23, said bearing sleeve acts as a fixed feed nut to effect the raising or lowering of the slide when the screw rod or shaft 23 is turned through the primary effect of the hand wheel 12 in the manner set forth.

It is unnecessary for me to describe the turret locking mechanism of which the bolts form a part. This locking mechanism is not of my sole invention. It is covered in an application filed jointly by me and Arthur L. Freder-ickson-,-filedOctober 12, 1916', Serial N 0. 125,308 and towhich by permission I refer. V

Whatl claim is:

1. The combination of a slide, a turret pivotally mounted on said ,slide a shaft eX- tending through the pivot of the turret and supported by: the, slide, andmeans actuated by said shaft for eflectingthe adjustment of the slide ,on :its support.

'2. The combination vof:.a slide and .a turret pivotallymounted thereon, a shaftextending through-the pivot of the turret and supported by; the slide, av nut anda feed screw in cooperative relation with the slide, and

' means-l actuatedibyc said shaft .for effecting a relativemotion of the nut. andithe feed screw; vto adjust the slide on its support The combination of a slideand a-turret pivotally mounted thereon, ,a non-rotative nut fixed tothe slide, a rotary screw extending: through thenut and immovableinthe direction of its length, a shaft extending through the pivot. of. the turret, and means actuated by said shaft for turning the feed screw.

' l. The combination of a slide and a turret pivotally mounted thereon, a feed screw immovable in the direction of its length and having a swivel connection with the framing, a nut having a fixed connection with the slide and receiving said feed screw forrotation, a shaft extending through the pivot of the turret, and means actuated by the shaft for rotating the feed screw.

5. The combination of aslide and a turret pivotally mounted thereon, a rotary shaft .extending.through:said turret and having a bevel gear fixed :thereto, ,a nut fixed on the sl1de, a rotary feed screw lmmovable 1n the direction of itslengthand extending through -tl1enut,.and,a second bevel gearrotative 1n copies ofthis patentmay;lie-obtained. forsfive cents each; by addressingtlleCommissioner of.-Patents Washington, D403? 

